but I am geting the following message said: 451 Temporary local problem - please try later (in reply to RCPT TO command))
it is stuck forever in a queue until it fails. Is there a setting I need to set so it should be accepted. On Sat, Oct 12, 2013 at 11:35 PM, Noel Jones <njo...@megan.vbhcs.org> wrote: > On 10/12/2013 10:19 PM, Roman Gelfand wrote: >> Looking through the logs, I have noticed an attempt to send out mail >> which temporary local fails. I did a dig mx and noticed there is no >> mx record. I then tried to connect to the email address domain >> portion of the name. Sure enough, I was able to connect. >> >> Is this legitimate configuration of mail server? > > MX records are not required. If there is no MX record, use the > domain A record. This is required RFC behavior. > > >> >> Is there a way to configure postfix saying that if there is no mx >> record attempt to connect to connect using domain portion? > > Yes, this is the required behavior. This is not configurable. > >> What is >> the exposure? > > Apparently postfix is working properly. > > Note that historically, lack of an MX record is not a suitable spam > indicator. Spammers easily set up MX records, along with SPF, DKIM, > etc. using automated tools. There are better ways to catch spam. > > There is no "exposure". The presence of lack of an MX record neither > adds nor detracts from the reputation of a client. > > > > > -- Noel Jones
